Shoe



sept; 18 1923,T

J. v.1. DALY SHOE Filed Jan. 22., 1923 iff-n4- Patented Sept. 18, 19123.i

JOHN J. DALY, NEWTON CENTER, MASSACHUSETTS.

SHOE.

application mea January 22, 192s. serial No. 614,110.

T o all whom z't may concern.'

Be it known that I, JOHN J. DALY, a citizen of the United States,residing at Newton Center, county of Middlesex, Commonwealth ofMassachusetts, have invented certain new and useful Improvements' inShoes, of which the following is a. specification.

In the shoemaking art, various developments and improvements have beenmade in shoe structures. The sole, as the important service element ofthe shoe, is under Y exacting requirements and exhaustive test. Theprimary requirement is durability or life and with this is coupledvarious desirable qualities, such as comfort, protection againstmoisture, appearance and many others.`

My present invention relates to a multiple-soled shoe having an outersole and an intermediate sole of resilient but wear resisting cushioningmaterial substantially coextensive with and similar in outline to saidouter sole'and stitched to the upper by a line of stitching independentof the stitch'ng which secures the outer sole to the intermediate solewhereby the outer Sole, when worn through, may be readily disconnectedfrom the intermediate sole and the latter exposed as a new, complete andunworn surface for direct contact with the ground. v

I have discovered that by using an intermediate sole of resilient butwear resisting cushioning material and stitching said sole to the upperindependently of the stitching which secured the outer sole to theint-ermediate sole, the outer sole will be uniformly yieldably supportedthereon throughout its extent so that the wea-r on said outer sole willbe distributed over a large area instead of-being concentrated in arestricted zone of bearing, and hence the life of the outer sole will beconsiderably increased. Moreover the outer sole, when worn through,

may be conveniently severed from the shoe without disturbing thetheretofore covered and protected line of stitching which se- -curelyattaches the intermediate sole to the upper, 'and said intermediate soleexposed to the ground as a new, complete and unworn wear surface.

The advantages of my invention are 'threefold in that by it I am able toavail myself, (l) of the full normal life of the outer sole, plus (2) anadded increment representing the increased wearability imparted to theouter sole by the uniform wear distributive effect 0f the resilientintermediate sole, and (3) the full normal life of the intermediate soleas a new, complete and unworn wear surface when exposed to the ground,all in a construction in which the individual soles are so attached tothe upper that the outer sole, when worn through, may be disconnectedfrom the intermediate sole with the minimum of inconvenience and thelatter exposedto the ground as a full wear surface.

Tests of shoes made in accordance with my invention show an actualincrease of from two to three months in the life of the outer sole, evenwhere a very light outer sole is used, over a double-soled shoe in whichthe intermediate sole is not designed to have any cushioning and weardistributing effect upon the' outer sole.

For the purposes of this application, I shall show and discuss myinvention in its adaptation to a welt shoe. It will be understood,however, that such treatment is purely illustrative and in no waylimiting. The construction of my shoe is described and illustrated in'the accompanying specification and drawings and the characteristicfeatures of novelty are particularly pointed out in the appended claims.Throughout the specification and drawings like reference characters arecorrespondingly employed, and in the drawings :\A

Figs. l and 2 are side and bottom views of a shoe in accordance with myinvention.

Eig. 3 is a top plan View at the toe particularly showing theindependent lines of stitching which attach the, outer and intermediatesoles to the upper. p

Fig. 4 is a section on the line 4-4 of Fig. 3, and

Figs. 5 and 6 4are fragmentary detail views showing a modification. Ihave indicated at A the upper and at IV the welt of a double soled weltshoe in accoi-dance with my invention.

Stitched to the welt W at S2 is an intermediate sole X of resilient butwear resisting cushioning material. The sole X oonforms in outline toand is substantially coextensive with the outer sole Y which is stitchedat S to the intermediate sole X and welt W by a line of stitchingindependent of the stitching S2 which secures the intermediate sole X tosaid welt. (See Fig. 4.)

In Figs. l and 2 the outer sole Y is shown as terminating at the breastB of the heel H. In Figs. 5 and 6 said sole is skived and extended as apoint or tip Y2, preferably triangular in form, which is inset centrallyof the heel and tacked thereto as at T so that when the outer sole isremoved no interstice or crack appears between the heel and seat. Ifdesired, however, the sole Y ma be full length.

gy using an intermediate sole X of resilient but wear resistingcushioning material, the outer sole Y is uniformly yieldably supportedthereon throughout its entire extent. This insures that the wear on theouter sole will be distributed over a relatively large area instead ofbeing concentrated in a restricted zone of bearing, thereby diminishingthe wear on any one portion of the outer sole. By thus diminishing thewear uniformly throughout the extent of the. outer sole, the life of theouter sole is not only considerably increased but the lia bility of theintermediate sole becoming worn in some particular zone of bearing isIprevented.

Then the outer sole is worn through, it may be readily disconnected fromthe intermediate sole by severing the stitches S and the intermediatesole exposed as a new, complete and unworn wear surface for directcontact with the ground, said sole itself being securely attached Itothe welt by its own independent stitching S2.

I thus secure the full normal life of the outer sole plus the increasedwear imparted thereto by the wear distributive effective of theresilient intermediate sole, and when said outer sole is worn throughand removed l have a complete, new and unworn intermediate sole whichitself is securely attached to the welt by a line of stitching which hasbeen theretofore covered and protected by the outer sole.

Moreover, the combined moisture excluding and cushioning effect of theresilient intermediate sole effectually waterproofs the shoe and makesit more comfortable to the foot, without, however, detracting in any wayfrom the characteristic neat appearance of the shoe as an article offootwear.

ln practice, the welt W is preferably made of slightly greater widththan usual in order to allow ample room for the double row of stitchingS', S2, and this stitching compressibl contines the resilientintermediate sole so as to secure the maximum cushioning effect.

My invention is capable of adaptation to various types of shoes, and ofvarious modifications in details of structure, all of which incense maybe resorted to without departing from theJ underlying concept, if withinthe limits of the appended claims.

What l therefore claim and desire to secure by Letters Patent is l. In ashoe, an upper structure includinfr an upper and an insole, anintermedi-ate sol-)e of resilient but wear resisting cushioning materialunderlying kand secured to said upper structure, and an outer solesubstantially coextensive with and conforming in outline to saidintermediate sole and stitched to said intermediate sole and the upperby a line of stitching independent of the means which secure saidintermediate sole to the upper whereby the outer sole, when wornthrough, may be readily disconnected from the intermediate sole and thelatter exposed as a new, complete and unworn wear surface for directcontact with the ground.

2. A double soled welt shoe comprising an upper, a welt fastenedthereto, an intermediate sole of resilient but wear resisting cushioningmaterial underlying and stitched` to said welt, and an outer solesubstantially coextensive 'with and conforming in outline to saidintermediate sole and stitched thereto and to the welt by a line ofstitching independent of the stitching which fastens said intermediatesole to the welt whereby the outer sole, when worn through may bereadily disconnected from the intermediate sole and the latter exposedas a new, complete and unworn wear surface for direct Contact with ltheground.

3. A double soled welt shoe comprising an lupper, a welt fastenedthereto, .an intermediate sole of resilient but wear resistingcushioning material underlying and stitched to said welt, and an outersole. covering and protectin the stitching which attaches theintermediate sole to the welt and itself stitched through saidintermediate sole to the welt by a line of stitching independent of andoutside the stitching which fastens said intermediate sole to the weltwhereby theouter sole, when worn through, may be readily disconnectedfrom the intermediate sole without disturbing the stitching whichattaches the intermediate sole to the welt, and the intermediate soleexposed as a new, complete and unworn wear surface for direct contactwith the round.

In testimony whereo I affix my signature in presence of two witnesses.

JOHN J. DALY.

lWitnesses:

JENNE'I'IE C. STRUMPH, VrGronrA LownnN.

llO

